Added in GitHub Continuous Integration

.github/workflows/android.yml

@@ -0,0 +1,39 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ '**' ]
+  pull_request:
+    branches: [ '**' ]
+
+jobs:
+  build:
+
+    #runs-on: ubuntu-latest
+    runs-on: macos-latest
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v2
+    - name: set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'adopt'
+        cache: gradle
+
+    - name: Create properties file with empty API key
+      run: echo mapsApiKey=a >> local.properties
+    - name: Build with Gradle
+      run: ./gradlew build
+    - name: Run Unit Tests
+      run: ./gradlew check
+
+    - name: Run Instrumented Tests
+      uses: reactivecircus/android-emulator-runner@v2
+      with:
+        api-level: 24
+        target: default #, google_apis
+        arch: x86
+        profile: Nexus 6
+        script: ./gradlew connectedCheck --stacktrace